Home / 134,043.21-185,051.45-103,349.27

Finding the Fourth Proportional to 134,043.21, 185,051.45 and 103,349.27

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Solution

The fourth proportional to 134,043.21, 185,051.45 and 103,349.27 is: 142,677.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,043.21 : 185,051.45 = 103,349.27 : x
  2. Step 2: Convert to fraction form
    134,043.21/185,051.45 = 103,349.27/x
  3. Step 3: Cross multiply
    134,043.21x = 185,051.45 × 103,349.27
  4. Step 4: Simplify right side
    134,043.21x = 19,124,930,827.94
  5. Step 5: Solve for x
    x = 19,124,930,827.94/134,043.21
  6. Step 6: Final answer
    x = 142,677.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.